| Barcelona to Manerbio | 484.87 mi (780.32 km) |
| Barcelona to Manfredonia | 710.38 mi (1,143.24 km) |
| Barcelona to Maniago | 620.31 mi (998.30 km) |
| Barcelona to Mantova | 505.36 mi (813.30 km) |
| Barcelona to Maranello | 490.03 mi (788.62 km) |
| Barcelona to Marano di Napoli | 625.12 mi (1,006.04 km) |
| Barcelona to Marano Vicentino | 550.74 mi (886.33 km) |
| Barcelona to Marcianise | 630.11 mi (1,014.07 km) |
| Barcelona to Marcon | 583.09 mi (938.39 km) |
| Barcelona to Mareno di Piave | 594.29 mi (956.41 km) |
| Barcelona to Margherita di Savoia | 723.69 mi (1,164.67 km) |
| Barcelona to Mariano Comense | 460.26 mi (740.71 km) |
| Barcelona to Marigliano | 638.67 mi (1,027.84 km) |
| Barcelona to Marino | 542.51 mi (873.09 km) |
| Barcelona to Marostica | 561.62 mi (903.84 km) |
